diff options
Diffstat (limited to 'Lib/sets.py')
| -rw-r--r-- | Lib/sets.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Lib/sets.py b/Lib/sets.py index 4f55515..9604249 100644 --- a/Lib/sets.py +++ b/Lib/sets.py @@ -57,7 +57,7 @@ what's tested is actually `z in y'. __all__ = ['BaseSet', 'Set', 'ImmutableSet'] -from itertools import ifilter +from itertools import ifilter, ifilterfalse class BaseSet(object): """Common base class for mutable and immutable sets.""" @@ -204,9 +204,9 @@ class BaseSet(object): value = True selfdata = self._data otherdata = other._data - for elt in ifilter(otherdata.has_key, selfdata, True): + for elt in ifilterfalse(otherdata.has_key, selfdata): data[elt] = value - for elt in ifilter(selfdata.has_key, otherdata, True): + for elt in ifilterfalse(selfdata.has_key, otherdata): data[elt] = value return result @@ -227,7 +227,7 @@ class BaseSet(object): result = self.__class__() data = result._data value = True - for elt in ifilter(other._data.has_key, self, True): + for elt in ifilterfalse(other._data.has_key, self): data[elt] = value return result @@ -260,7 +260,7 @@ class BaseSet(object): self._binary_sanity_check(other) if len(self) > len(other): # Fast check for obvious cases return False - for elt in ifilter(other._data.has_key, self, True): + for elt in ifilterfalse(other._data.has_key, self): return False return True @@ -269,7 +269,7 @@ class BaseSet(object): self._binary_sanity_check(other) if len(self) < len(other): # Fast check for obvious cases return False - for elt in ifilter(self._data.has_key, other, True): + for elt in ifilterfalse(self._data.has_key, other): return False return True |